Home / 27,288.70-37,656.16-15,349.84

Finding the Fourth Proportional to 27,288.70, 37,656.16 and 15,349.84

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Solution

The fourth proportional to 27,288.70, 37,656.16 and 15,349.84 is: 21,181.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,288.70 : 37,656.16 = 15,349.84 : x
  2. Step 2: Convert to fraction form
    27,288.70/37,656.16 = 15,349.84/x
  3. Step 3: Cross multiply
    27,288.70x = 37,656.16 × 15,349.84
  4. Step 4: Simplify right side
    27,288.70x = 578,015,898.50
  5. Step 5: Solve for x
    x = 578,015,898.50/27,288.70
  6. Step 6: Final answer
    x = 21,181.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.